

Nixie controller
- Size
- 148.9 × 56 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 91
- Nets
- 170
- Pads
- 531
- Tracks, vias
- 1,060, 216
- Pours
- 7
- Routed
- Yes
- KiCad
- KiCad 6 (file 20211014)
- Created
- 17 Jan 2023
- Updated
- 25 Jul 2023
Overview
Nixie controller is an open-source printed circuit board by piotrpodlaski, from the piotrpodlaski/NixieClockPCB repository on GitHub. It is a 4-layer board of 148.9 × 56 mm with 91 parts on 170 nets, routed with 1,060 tracks and 216 vias.
It is built around the MAX1771CPA+, TPIC6B595DW and DS3231MZ/V+, with the L7805, TLP627(F) and CR20300J among its other parts. Its parts include 24 capacitors, 20 resistors, 17 ICs, 7 connectors and 2 switches. It belongs with the lEDs and displays boards and the ESP32 boards of this library.
Main components
8MAX1771CPA+
PDIP-80℃~+70℃@(TA) 1 300kHz 3V~16.5V Boost Boost External No PDIP-8 DC-DC Converters ROHSMaxim Integrated (Analog Devices)DC-DC ConvertersTPIC6B595DW
SOIC-20-300mil-40℃~+125℃ 1 150mA 150ns@5V,30pF 4.5V~5.5V Open-drain Serial-to-Serial or Parallel TPIC SOIC-20-300mil Shift Registers ROHSTexas InstrumentsShift RegistersDS3231MZ/V+
SOIC-8-40℃~+85℃ 2.3V~5.5V Built-in I2C Temperature compensation、Backup power management and battery charging、Alarm function、Locking and tamper-proof、Periodic interrupt output SOIC-8 Real Time Clocks ROHSMaxim Integrated (Analog Devices)Real Time ClocksL7805
TO-220ST0℃~+125℃@(Tj) 1 1.2A 20V 2V@(1A) 42uV 500uA 5V 73dB@(120Hz) Fixed Positive Short Circuit Protection TO-220ST Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSOSENVoltage Regulators - Linear, Low Drop Out (LDO) RegulatorsTLP627(F)
DIP-4-55℃~+100℃ 1 1.15V 1.2V@100mA,10mA 150mA 15us@10mA,100Ω 300V 40us@10mA,100Ω 5kV DC Darlington Transistor DIP-4 Transistor, Photovoltaic Output Optoisolators ROHSToshibaTransistor, Photovoltaic Output OptoisolatorsCR20300J
0402-55℃~+155℃ 30Ω 62.5mW Thick Film Resistor ±100ppm/℃ ±5% 0402 Chip Resistor - Surface Mount ROHSMeritekChip Resistor - Surface MountIRF740
TO-220-55℃~+175℃ 1 N-channel 1.162nF 100W 10A 17pF 32nC@10V 400V 4V 500mΩ@10V N-Channel TO-220 MOSFETs ROHSMinosMOSFETsTYPE-C-31-M-12
SMD-30℃~+80℃ 1 10,000 cycles 16P 20V 5A 7.35mm Female Surface Mount, Right Angle Type-C SMD USB Connectors ROHSHRO ElectronicsUSB Connectors
Parts
91| Qty | Value | Footprint | References |
|---|---|---|---|
| 18 | 100n | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1, C2, C3, C4, C5, C6, C7, C10, C11, C12, C13, C15, C17, C19, C20, C23 +2 |
| 8 | TPIC6B595DW | Espressif:SOIC127P1030X265-20N | U2, U3, U4, U5, U6, U7, U8, U9 |
| 6 | 30k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1, R2, R4, R5, R6, R7 |
| 5 | 10k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R12, R14, R15, R17, R20 |
| 4 | LOGO | Espressif:totoro | G***, G***, G***, G*** |
| 4 | MountingHole | MountingHole:MountingHole_3.2mm_M3 | H1, H2, H3, H4 |
| 3 | 10u | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C14, C16, C18 |
| 2 | 0 | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R8, R9 |
| 2 | 3.3k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R10, R11 |
| 2 | 5k1 | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R16, R18 |
| 1 | 0.05 | Resistor_SMD:R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | RS1 |
| 1 | 100n/250V | Capacitor_SMD:C_1210_3225Metric | C24 |
| 1 | 100u | Inductor_SMD:L_10.4x10.4_H4.8 | L1 |
| 1 | 100u | Capacitor_Tantalum_SMD:CP_EIA-7343-15_Kemet-W | C22 |
| 1 | 133 | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R3 |
| 1 | 1M5 | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R19 |
| 1 | 3V3 | TestPoint:TestPoint_Pad_1.5x1.5mm | TP2 |
| 1 | 4.7u/250V | Capacitor_SMD:C_Elec_8x10.2 | C21 |
| 1 | 5V0 | TestPoint:TestPoint_Pad_1.5x1.5mm | TP1 |
| 1 | 5k | Potentiometer_THT:Potentiometer_Bourns_3296P_Horizontal | RV1 |
| 1 | AP2127K-3.3 | Package_TO_SOT_SMD:SOT-23-5 | U16 |
| 1 | BOOT | Button_Switch_SMD:SW_Push_SPST_NO_Alps_SKRK | SW2 |
| 1 | CP2102N-Axx-xQFN28 | Package_DFN_QFN:QFN-28-1EP_5x5mm_P0.5mm_EP3.35x3.35mm | U14 |
| 1 | CR2030 | Battery:BatteryHolder_Keystone_1060_1x2032 | BT1 |
| 1 | Conn_01x02_Male | Connector_PinSocket_2.54mm:PinSocket_1x02_P2.54mm_Vertical | J6 |
| 1 | Conn_01x36 | Connector_PinHeader_2.54mm:PinHeader_1x36_P2.54mm_Vertical | J2 |
| 1 | Conn_01x36 | Connector_PinSocket_2.54mm:PinSocket_1x36_P2.54mm_Vertical | J1 |
| 1 | Conn_02x04_Odd_Even | Connector_PinHeader_2.00mm:PinHeader_2x04_P2.00mm_Vertical_SMD | J4 |
| 1 | D | Diode_SMD:D_SMB | D1 |
| 1 | DS3231MZ | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U12 |
| 1 | ESP32-WROOM-E | Espressif:ESP32-WROOM-32E | U11 |
| 1 | GND | TestPoint:TestPoint_Pad_1.5x1.5mm | TP3 |
| 1 | HV | TestPoint:TestPoint_Pad_1.5x1.5mm | TP4 |
| 1 | I2C | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J4 |
| 1 | IRF740 | Package_TO_SOT_SMD:TO-263-2 | Q1 |
| 1 | Jumper_2_Bridged | Jumper:SolderJumper-2_P1.3mm_Bridged_Pad1.0x1.5mm | JP1 |
| 1 | L7805 | Package_TO_SOT_SMD:TO-252-2 | U15 |
| 1 | LOGO | Espressif:symbol | G*** |
| 1 | LOGO | Espressif:totoro2 | G*** |
| 1 | MAX1771 | Package_SO:SO-8_5.3x6.2mm_P1.27mm | U17 |
| 1 | RST | Button_Switch_SMD:SW_Push_SPST_NO_Alps_SKRK | SW1 |
| 1 | R_Photo | Connector_PinSocket_2.54mm:PinSocket_1x02_P2.54mm_Vertical | R13 |
| 1 | SBC847BDW1T1G | Espressif:SOT65P210X110-6N | U13 |
| 1 | TLP627 | Package_SO:SOP-4_3.8x4.1mm_P2.54mm | U1 |
| 1 | TXB0108PWR | Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm | U10 |
| 1 | TYPE-C-31-M-12 | Espressif:HRO_TYPE-C-31-M-12 | J5 |
| 1 | UART | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J3 |
Questions
How big is the Nixie controller PCB?
It measures 148.9 × 56 mm and has 4 copper layers, 1.6 mm thick.
What parts does the Nixie controller use?
91 parts, built around the MAX1771CPA+, TPIC6B595DW, DS3231MZ/V+ and L7805. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Nixie controller KiCad files?
From the piotrpodlaski/NixieClockPCB repository on GitHub, at the commit this page was made from: the board is nixie_controller/nixie_controller.kicad_pcb and its schematic nixie_adapter_pp/nixie_adapter_pp.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Nixie controller design in my own project?
Its repository states no licence, so its author keeps all rights: ask piotrpodlaski before reusing the design.
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